/* 公共样式 */
.clearfix::before,
.clearfix::after{
    content: '';
    display: table;
    clear: both;
}
a{
    text-decoration: none;
    color:#333;
}
body{
    font:12px/1.5 Microsoft YaHei,Heiti SC,tahoma,arial,Hiragino Sans GB,"\5B8B\4F53",sans-serif;
    color:#333;
    min-width: 990px;
}
.w{
    width:1190px;
    margin:0 auto;
}